/* Copyright (c) 2010, Michael J. Allison

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice, 
 this list of conditions and the following disclaimer.
 
 * Redistributions in binary form must reproduce the above copyright notice, 
 this list of conditions and the following disclaimer in the documentation 
 and/or other materials provided with the distribution.
 
 * Neither the name of Michael J. Allison nor the names of contributors
   may be used to endorse or promote products derived from this software
   without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
 THE POSSIBILITY OF SUCH DAMAGE.
 */

package xamcommons.objectinspector;

import java.awt.Color;
import java.awt.Component;
import java.util.HashMap;
import java.util.Map;

import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;

import xamcommons.objectinspector.CanonicalField.FieldStatus;

/**
 * A renderer used by the UI to display field descriptions. If the field 
 * is marked as valid the line is displayed with normal foreground colors
 * otherwise the line is displayed using the color red.
 */
class CellStausRenderer
   extends DefaultTableCellRenderer
{
   static Map<CanonicalField.FieldStatus,Color> s_colors = 
      new HashMap<CanonicalField.FieldStatus,Color>();
   
   private Color m_def;
   private Color m_def_background;
   private static Color s_light_gray = new Color( 240, 240, 240 );
   
   {
      s_colors.put( CanonicalField.FieldStatus.ERROR,   Color.RED);
      s_colors.put( CanonicalField.FieldStatus.MISSING, Color.RED);
   }
   
   public Component getTableCellRendererComponent(JTable table,
                                                  Object value,
                                                  boolean isSelected,
                                                  boolean hasFocus,
                                                  int row,
                                                  int column)
   {
      Component renderer = super.getTableCellRendererComponent(table,
                                                               value,
                                                               isSelected,
                                                               hasFocus,
                                                               row,
                                                               column);
      if (m_def == null) m_def = renderer.getForeground();
      if (m_def_background == null ) m_def_background = renderer.getBackground();
      
      Object status = table.getValueAt(row, 0);
      Color color = (Color) s_colors.get(status);
      if (color == null) color = m_def;
      renderer.setForeground(color);
      
      if( (row % 2) != 0 )
         renderer.setBackground( s_light_gray );
      else
         renderer.setBackground( m_def_background );
      return renderer;
   }
}
